Improvement in pipe-vises



F. P. GOSS. Pipe-Vise.

Patented July 8,1879.

Inventor Wine/s6 as.

UNITED STATES PATENT OFFICE FRANCIS P. GOSS, OF SALEM, MASSACHUSETTS.

IM PROVEM ENT IN Pl PE-VIS ES.

Specification forming part of Letters Patent No. 217,364, dated July 8,1879; application filed December 18, 1877.

To all whom it may concern:

Be it known that I, FRANCIS P. Goss, of Salem, in the county of Essexand State of Massachusetts, have invented certain Improvements inPipe-Vises, of which the following is a specification.

My improved pipe-vise. consists of a bedpiece and a fixed and a movablejaw, constructed and operated as fnlly described hereinafter, to firmlygripe pipes, rods, &c., of different sizes.

In the drawings forming part of this specification, Figure l is aperspective view of my improved pipe-vise; Fig. 2, a sectionalelevation.

The frame or bedpiece F consists of a castmetal block, f, having alongitudinal slot, 9, between two projections, f f the formerconstituting or being the support of the fixed jaw b, and the latterhaving a threaded opening to receive the screw 1', or supporting anysuitable adjusting device by which the movable jaw b is carried over thebed-piece, a pin or screw, h, extending from the jaw b into the slot 9,guiding the jaw and preventing it from turning.

The jaws may be of steel, but are, preferably, of cast metal, and haverecesses or grooves g, the sides of which, with the right-angled faces,form parallelbiting-edges j j, two or more on each jaw.

As the jaws are brought together the pipe or rod 10, Fig. 2, readilycenters itself between the edges j, which, penetrating the oppositesides, take a secure hold upon the pipe without greatly marring thesame.

The above-described construction is simple and most economical. All theparts may be of cast-iron except the screw i, so that if any part isbroken it may be easily and cheaply replaced.

I claim- A pipe-vise consisting of the slotted frame F, its projectionsf f, and stationary jaw b, secured to or forming part of the projectionf, a movable jaw, I), sliding between the projections, and having a pin,h, fitting the slot in the frame, and the adjusting-screw i, the saidjaws having parallel biting-edges j, substantially as set forth.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

FRANCIS P. GOSS.

Witnesses:

O. F. BROWN, A. E. DENIsoN.

